Firepower is a video game of the combat flight simulation genre released in 2004 as an add on to enhance Microsoft Combat Flight Simulator 3: Battle for Europe.Firepower adds 18 new aircraft bringing the total of 36 military aircraft (or 56 with variants) to Microsoft Combat Flight Simulator 3: Battle for Europe.Firepower also adds 50 new historical type missions,new ordnance and improved graphic effects to Microsoft's combat flight simulation.